MX2012001788A - Metodo y sistema para la precodificacion y metodo para construir un libro de codigos para la precodificacion. - Google Patents

Metodo y sistema para la precodificacion y metodo para construir un libro de codigos para la precodificacion.

Info

Publication number
MX2012001788A
MX2012001788A MX2012001788A MX2012001788A MX2012001788A MX 2012001788 A MX2012001788 A MX 2012001788A MX 2012001788 A MX2012001788 A MX 2012001788A MX 2012001788 A MX2012001788 A MX 2012001788A MX 2012001788 A MX2012001788 A MX 2012001788A
Authority
MX
Mexico
Prior art keywords
precoding
codeword
dimensional vectors
vectors
precoding codebook
Prior art date
Application number
MX2012001788A
Other languages
English (en)
Spanish (es)
Inventor
Yijian Chen
Guanghui Yu
Bo Dai
Xun Yang
Original Assignee
Zte Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zte Corp filed Critical Zte Corp
Publication of MX2012001788A publication Critical patent/MX2012001788A/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/0486—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking channel rank into account
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0636—Feedback format
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0028—Formatting
    • H04L1/0029—Reduction of the amount of signalling, e.g. retention of useful signalling or differential signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0417—Feedback systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03891—Spatial equalizers
    • H04L25/03898—Spatial equalizers codebook-based design
    • H04L25/0391—Spatial equalizers codebook-based design construction details of matrices
    • H04L25/03923—Spatial equalizers codebook-based design construction details of matrices according to the rank

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Power Engineering (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
MX2012001788A 2009-08-10 2010-06-30 Metodo y sistema para la precodificacion y metodo para construir un libro de codigos para la precodificacion. MX2012001788A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200910163676.1A CN101631004B (zh) 2009-08-10 2009-08-10 一种预编码方法、系统及预编码码本的构造方法
PCT/CN2010/074847 WO2011017991A1 (zh) 2009-08-10 2010-06-30 一种预编码方法、系统及预编码码本的构造方法

Publications (1)

Publication Number Publication Date
MX2012001788A true MX2012001788A (es) 2012-02-29

Family

ID=41575969

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2012001788A MX2012001788A (es) 2009-08-10 2010-06-30 Metodo y sistema para la precodificacion y metodo para construir un libro de codigos para la precodificacion.

Country Status (9)

Country Link
US (1) US8483306B2 (enrdf_load_stackoverflow)
EP (1) EP2466835B1 (enrdf_load_stackoverflow)
JP (1) JP5438829B2 (enrdf_load_stackoverflow)
KR (1) KR101317136B1 (enrdf_load_stackoverflow)
CN (1) CN101631004B (enrdf_load_stackoverflow)
BR (1) BR112012002928B1 (enrdf_load_stackoverflow)
MX (1) MX2012001788A (enrdf_load_stackoverflow)
RU (1) RU2475982C1 (enrdf_load_stackoverflow)
WO (1) WO2011017991A1 (enrdf_load_stackoverflow)

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US8457236B2 (en) * 2009-04-06 2013-06-04 Marvell World Trade Ltd. Feedback strategies for multi-user MIMO communication systems
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US8675794B1 (en) 2009-10-13 2014-03-18 Marvell International Ltd. Efficient estimation of feedback for modulation and coding scheme (MCS) selection
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CN101834706B (zh) * 2010-04-05 2016-08-03 中兴通讯股份有限公司 一种信道信息的码本量化反馈方法及系统
CN101826943A (zh) * 2010-04-30 2010-09-08 中兴通讯股份有限公司 基于多码本的下行信道信息反馈方法及装置
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CN102792604B (zh) * 2010-05-06 2016-06-15 上海贝尔股份有限公司 多入多出系统的高秩自适应码本的生成和反馈方法及设备
CN101860420B (zh) * 2010-06-18 2015-08-12 中兴通讯股份有限公司 一种信道信息获取方法及系统
CN101902312B (zh) * 2010-06-21 2016-02-10 中兴通讯股份有限公司 一种多精度的信道信息获取方法及系统
US8891652B2 (en) 2010-06-24 2014-11-18 Qualcomm Incorporated Structured MIMO codebook
KR101806878B1 (ko) * 2010-08-16 2018-01-10 삼성전자주식회사 8 개의 전송 안테나들에 대한 코드북 및 그 코드북을 사용하는 통신 시스템
JP2012100254A (ja) 2010-10-06 2012-05-24 Marvell World Trade Ltd Ｐｕｃｃｈフィードバックのためのコードブックサブサンプリング
US8615052B2 (en) 2010-10-06 2013-12-24 Marvell World Trade Ltd. Enhanced channel feedback for multi-user MIMO
CN102594419B (zh) * 2011-01-04 2015-03-04 上海贝尔股份有限公司 用于交叉极化天线阵列的预编码方法和预编码器
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US8861391B1 (en) 2011-03-02 2014-10-14 Marvell International Ltd. Channel feedback for TDM scheduling in heterogeneous networks having multiple cell classes
JP6019502B2 (ja) 2011-03-31 2016-11-02 マーベル ワールド トレード リミテッド 協調マルチポイント送信のためのチャネルフィードバック
CN102231659A (zh) * 2011-06-22 2011-11-02 中兴通讯股份有限公司 多点协作传输的预编码方法、系统和设备
CN102263619B (zh) * 2011-07-20 2014-04-02 电信科学技术研究院 一种信道状态信息反馈、接收的方法及装置
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WO2013068974A1 (en) 2011-11-10 2013-05-16 Marvell World Trade Ltd. Differential cqi encoding for cooperative multipoint feedback
US9220087B1 (en) 2011-12-08 2015-12-22 Marvell International Ltd. Dynamic point selection with combined PUCCH/PUSCH feedback
US8902842B1 (en) 2012-01-11 2014-12-02 Marvell International Ltd Control signaling and resource mapping for coordinated transmission
CN104521269B (zh) 2012-04-27 2018-05-11 马维尔国际贸易有限公司 用于基站和移动通信终端之间的多点协作(CoMP)通信方法和装置
CN104662811B (zh) * 2012-09-18 2018-05-01 Lg电子株式会社 在多天线无线通信系统中发送有效反馈的方法及其设备
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Also Published As

Publication number Publication date
CN101631004B (zh) 2014-05-28
KR20120045045A (ko) 2012-05-08
RU2475982C1 (ru) 2013-02-20
BR112012002928A2 (pt) 2017-10-24
BR112012002928B1 (pt) 2021-06-01
WO2011017991A1 (zh) 2011-02-17
JP5438829B2 (ja) 2014-03-12
EP2466835A1 (en) 2012-06-20
EP2466835B1 (en) 2016-06-29
CN101631004A (zh) 2010-01-20
KR101317136B1 (ko) 2013-10-08
US8483306B2 (en) 2013-07-09
EP2466835A4 (en) 2013-07-10
US20120134434A1 (en) 2012-05-31
JP2013502111A (ja) 2013-01-17

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